BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors

Ade, P. A. R.; Ahmed, Z.; Amiri, M.; Barkats, D.; Thakur, R. Basu; Bischoff, C. A.; Beck, D.; Bock, J. J.; Boenish, H.; Bullock, E.; Buza, V.; IV, J. Cheshire; Connors, J.; Cornelison, J.; Crumrine, M.; Cukierman, A.; Denison, E. V.; Dierickx, M.; Duband, L.; Eiben, M.; Fatigoni, S.; Filippini, J. P.; Fliescher, S.; Giannakopoulos, C.; Goeckner-Wald, N.; Goldfinger, D. C.; Grayson, J.; Grimes, P.; Hall, G.; Halal, G.; Halpern, M.; Hand, E.; Harrison, S.; Henderson, S.; Hildebrandt, S. R.; Hubmayr, J.; Hui, H.; Irwin, K. D.; Kang, J.; Karkare, K. S.; Karpel, E.; Kefeli, S.; Kernasovskiy, S. A.; Kovac, J. M.; Kuo, C. L.; Lau, K.; Leitch, E. M.; Lennox, A.; Megerian, K. G.; Minutolo, L.; Moncelsi, L.; Nakato, Y.; Namikawa, T.; Nguyen, H. T.; O’Brient, R.; IV, R. Ogburn; Palladino, S.; Petroff, M.; Prouve, T.; Pryke, C.; Racine, B.; Reintsema, C. D.; Richter, S.; Schillaci, A.; Schwarz, R.; Schmitt, B. L.; Sheehy, C. D.; Singari, B.; Soliman, A.; Germaine, T. St.; Steinbach, B.; Sudiwala, R. V.; Teply, G. P.; Thompson, K. L.; Tolan, J. E.; Tucker, C.; Turner, A. D.; Umiltà, C.; Vergès, C.; Vieregg, A. G.; Wandui, A.; Weber, A. C.; Wiebe, D. V.; Willmert, J.; Wong, C. L.; Wu, W. K.; Yang, H.; Yoon, K. W.; Young, E.; Yu, C.; Zeng, L.; Zhang, C.; Zhang, S.

doi:10.3847/1538-4357/acc85c

Title: BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors

Abstract

We present estimates of line-of-sight distortion fields derived from the 95 and 150 GHz data taken by BICEP2, BICEP3, and the Keck Array up to the 2018 observing season, leading to cosmological constraints and a study of instrumental and astrophysical systematics. Cosmological constraints are derived from three of the distortion fields concerning gravitational lensing from large-scale structure, polarization rotation from magnetic fields or an axion-like field, and the screening effect of patchy reionization. We measure an amplitude of the lensing power spectrum $${A}_{L}^{\phi \phi }=0.95\pm 0.20$$. We constrain polarization rotation, expressed as the coupling constant of a Chern–Simons electromagnetic term g_aγ ≤ 2.6 × 10^-2/H_I, where H_I is the inflationary Hubble parameter, and an amplitude of primordial magnetic fields smoothed over 1 Mpc B_1Mpc ≤ 6.6 nG at 95 GHz. We constrain the rms of optical depth fluctuations in a simple "crinkly surface" model of patchy reionization, finding A^τ < 0.19 (2σ) for the coherence scale of L_c = 100. We show that all of the distortion fields of the 95 and 150 GHz polarization maps are consistent with simulations including lensed ΛCDM, dust, and noise, with no evidence for instrumental systematics. In some cases, the EB and TB quadratic estimators presented here are more sensitive than our previous map-based null tests at identifying and rejecting spurious B-modes that might arise from instrumental effects. Finally, we verify that the standard deprojection filtering in the BICEP/Keck data processing is effective at removing temperature to polarization leakage.

Authors:

Ade, P. A. R. ^[1]; Ahmed, Z.; Amiri, M.; Barkats, D.;

;

; Beck, D.; Bock, J. J.; Boenish, H.; Bullock, E.;

;

; Connors, J.; Cornelison, J.; Crumrine, M.;

; Denison, E. V.;

; Duband, L.; Eiben, M. more »

Cardiff Univ. (United Kingdom); BICEP/Keck Collaboration et al.

Publication Date:: Thu May 25 00:00:00 EDT 2023

Research Org.:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); National Aeronautics and Space Administration (NASA); Gordon and Betty Moore Foundation

Contributing Org.:: BICEP/Keck Collaboration

OSTI Identifier:: 1991111

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: The Astrophysical Journal

Additional Journal Information:: Journal Volume: 949; Journal Issue: 2; Journal ID: ISSN 0004-637X

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; observational cosmology; cosmic microwave background radiation; weak gravitational lensing; primordial magnetic fields; reionization

Citation Formats


                    Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Beck, D., Bock, J. J., Boenish, H., Bullock, E., Buza, V., IV, J. Cheshire, Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Denison, E. V., Dierickx, M., Duband, L., Eiben, M., Fatigoni, S., Filippini, J. P., Fliescher, S., Giannakopoulos, C., Goeckner-Wald, N., Goldfinger, D. C., Grayson, J., Grimes, P., Hall, G., Halal, G., Halpern, M., Hand, E., Harrison, S., Henderson, S., Hildebrandt, S. R., Hubmayr, J., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kernasovskiy, S. A., Kovac, J. M., Kuo, C. L., Lau, K., Leitch, E. M., Lennox, A., Megerian, K. G., Minutolo, L., Moncelsi, L., Nakato, Y., Namikawa, T., Nguyen, H. T., O’Brient, R., IV, R. Ogburn, Palladino, S., Petroff, M., Prouve, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schwarz, R., Schmitt, B. L., Sheehy, C. D., Singari, B., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Teply, G. P., Thompson, K. L., Tolan, J. E., Tucker, C., Turner, A. D., Umiltà, C., Vergès, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wong, C. L., Wu, W. K., Yang, H., Yoon, K. W., Young, E., Yu, C., Zeng, L., Zhang, C., and Zhang, S. BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors.  United States: N. p., 2023. 
Web.  doi:10.3847/1538-4357/acc85c.

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                    Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Beck, D., Bock, J. J., Boenish, H., Bullock, E., Buza, V., IV, J. Cheshire, Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Denison, E. V., Dierickx, M., Duband, L., Eiben, M., Fatigoni, S., Filippini, J. P., Fliescher, S., Giannakopoulos, C., Goeckner-Wald, N., Goldfinger, D. C., Grayson, J., Grimes, P., Hall, G., Halal, G., Halpern, M., Hand, E., Harrison, S., Henderson, S., Hildebrandt, S. R., Hubmayr, J., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kernasovskiy, S. A., Kovac, J. M., Kuo, C. L., Lau, K., Leitch, E. M., Lennox, A., Megerian, K. G., Minutolo, L., Moncelsi, L., Nakato, Y., Namikawa, T., Nguyen, H. T., O’Brient, R., IV, R. Ogburn, Palladino, S., Petroff, M., Prouve, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schwarz, R., Schmitt, B. L., Sheehy, C. D., Singari, B., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Teply, G. P., Thompson, K. L., Tolan, J. E., Tucker, C., Turner, A. D., Umiltà, C., Vergès, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wong, C. L., Wu, W. K., Yang, H., Yoon, K. W., Young, E., Yu, C., Zeng, L., Zhang, C., & Zhang, S. BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors.  United States.  https://doi.org/10.3847/1538-4357/acc85c

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                    Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Beck, D., Bock, J. J., Boenish, H., Bullock, E., Buza, V., IV, J. Cheshire, Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Denison, E. V., Dierickx, M., Duband, L., Eiben, M., Fatigoni, S., Filippini, J. P., Fliescher, S., Giannakopoulos, C., Goeckner-Wald, N., Goldfinger, D. C., Grayson, J., Grimes, P., Hall, G., Halal, G., Halpern, M., Hand, E., Harrison, S., Henderson, S., Hildebrandt, S. R., Hubmayr, J., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kernasovskiy, S. A., Kovac, J. M., Kuo, C. L., Lau, K., Leitch, E. M., Lennox, A., Megerian, K. G., Minutolo, L., Moncelsi, L., Nakato, Y., Namikawa, T., Nguyen, H. T., O’Brient, R., IV, R. Ogburn, Palladino, S., Petroff, M., Prouve, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schwarz, R., Schmitt, B. L., Sheehy, C. D., Singari, B., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Teply, G. P., Thompson, K. L., Tolan, J. E., Tucker, C., Turner, A. D., Umiltà, C., Vergès, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wong, C. L., Wu, W. K., Yang, H., Yoon, K. W., Young, E., Yu, C., Zeng, L., Zhang, C., and Zhang, S. Thu .  
"BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors".  United States.  https://doi.org/10.3847/1538-4357/acc85c.  https://www.osti.gov/servlets/purl/1991111.

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@article{osti_1991111,

  title        = {BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors},

  author       = {Ade, P. A. R. and Ahmed, Z. and Amiri, M. and Barkats, D. and Thakur, R. Basu and Bischoff, C. A. and Beck, D. and Bock, J. J. and Boenish, H. and Bullock, E. and Buza, V. and IV, J. Cheshire and Connors, J. and Cornelison, J. and Crumrine, M. and Cukierman, A. and Denison, E. V. and Dierickx, M. and Duband, L. and Eiben, M. and Fatigoni, S. and Filippini, J. P. and Fliescher, S. and Giannakopoulos, C. and Goeckner-Wald, N. and Goldfinger, D. C. and Grayson, J. and Grimes, P. and Hall, G. and Halal, G. and Halpern, M. and Hand, E. and Harrison, S. and Henderson, S. and Hildebrandt, S. R. and Hubmayr, J. and Hui, H. and Irwin, K. D. and Kang, J. and Karkare, K. S. and Karpel, E. and Kefeli, S. and Kernasovskiy, S. A. and Kovac, J. M. and Kuo, C. L. and Lau, K. and Leitch, E. M. and Lennox, A. and Megerian, K. G. and Minutolo, L. and Moncelsi, L. and Nakato, Y. and Namikawa, T. and Nguyen, H. T. and O’Brient, R. and IV, R. Ogburn and Palladino, S. and Petroff, M. and Prouve, T. and Pryke, C. and Racine, B. and Reintsema, C. D. and Richter, S. and Schillaci, A. and Schwarz, R. and Schmitt, B. L. and Sheehy, C. D. and Singari, B. and Soliman, A. and Germaine, T. St. and Steinbach, B. and Sudiwala, R. V. and Teply, G. P. and Thompson, K. L. and Tolan, J. E. and Tucker, C. and Turner, A. D. and Umiltà, C. and Vergès, C. and Vieregg, A. G. and Wandui, A. and Weber, A. C. and Wiebe, D. V. and Willmert, J. and Wong, C. L. and Wu, W. K. and Yang, H. and Yoon, K. W. and Young, E. and Yu, C. and Zeng, L. and Zhang, C. and Zhang, S.},

  abstractNote = {We present estimates of line-of-sight distortion fields derived from the 95 and 150 GHz data taken by BICEP2, BICEP3, and the Keck Array up to the 2018 observing season, leading to cosmological constraints and a study of instrumental and astrophysical systematics. Cosmological constraints are derived from three of the distortion fields concerning gravitational lensing from large-scale structure, polarization rotation from magnetic fields or an axion-like field, and the screening effect of patchy reionization. We measure an amplitude of the lensing power spectrum ${A}_{L}^{\phi \phi }=0.95\pm 0.20$. We constrain polarization rotation, expressed as the coupling constant of a Chern–Simons electromagnetic term gaγ ≤ 2.6 × 10-2/HI, where HI is the inflationary Hubble parameter, and an amplitude of primordial magnetic fields smoothed over 1 Mpc B1Mpc ≤ 6.6 nG at 95 GHz. We constrain the rms of optical depth fluctuations in a simple "crinkly surface" model of patchy reionization, finding Aτ < 0.19 (2σ) for the coherence scale of Lc = 100. We show that all of the distortion fields of the 95 and 150 GHz polarization maps are consistent with simulations including lensed ΛCDM, dust, and noise, with no evidence for instrumental systematics. In some cases, the EB and TB quadratic estimators presented here are more sensitive than our previous map-based null tests at identifying and rejecting spurious B-modes that might arise from instrumental effects. Finally, we verify that the standard deprojection filtering in the BICEP/Keck data processing is effective at removing temperature to polarization leakage.},

  doi          = {10.3847/1538-4357/acc85c},

  journal      = {The Astrophysical Journal},

  number       = 2,

  volume       = 949,

  place        = {United States},

  year         = {Thu May 25 00:00:00 EDT 2023},

  month        = {Thu May 25 00:00:00 EDT 2023}

}

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DOI: 10.1103/PhysRevD.67.043004

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Physical Review D, Vol. 79, Issue 10
DOI: 10.1103/PhysRevD.79.107302

Bias-hardened CMB lensing with polarization
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DOI: 10.1093/mnras/stt2290

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DOI: 10.1051/0004-6361/201525941

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Physical Review D, Vol. 77, Issue 10
DOI: 10.1103/PhysRevD.77.103013

BICEP2 / Keck Array IX: New bounds on anisotropies of CMB polarization rotation and implications for axionlike particles and primordial magnetic fields
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Ade, P. A. R.; Ahmed, Z.; Aikin, R. W.
Physical Review D, Vol. 96, Issue 10
DOI: 10.1103/PhysRevD.96.102003

Impact of post-Born lensing on the CMB
journal, August 2016

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DOI: 10.1088/1475-7516/2016/08/047

Extragalactic foreground contamination in temperature-based CMB lens reconstruction
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Osborne, Stephen J.; Hanson, Duncan; Doré, Olivier
Journal of Cosmology and Astroparticle Physics, Vol. 2014, Issue 03
DOI: 10.1088/1475-7516/2014/03/024

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DOI: 10.1088/1367-2630/aa7156

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Statistical simulations of the dust foreground to cosmic microwave background polarization
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Astronomy & Astrophysics, Vol. 603
DOI: 10.1051/0004-6361/201629992

Limits on a Lorentz- and parity-violating modification of electrodynamics
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DOI: 10.1103/PhysRevD.41.1231

BICEP2/KECK ARRAY. VII. MATRIX BASED E/B SEPARATION APPLIED TO BICEP2 AND THE KECK ARRAY
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DOI: 10.3847/0004-637X/825/1/66

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Ade, P. A. R.; Aghanim, N.; Ahmed, Z.
Physical Review Letters, Vol. 114, Issue 10
DOI: 10.1103/PhysRevLett.114.101301

Effect of non-Gaussian lensing deflections on CMB lensing measurements
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DOI: 10.1103/physrevd.98.123510

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journal, March 2018

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DOI: 10.1103/PhysRevD.97.063505

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DOI: 10.1103/PhysRevD.101.083527

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Physical Review D, Vol. 102, Issue 8
DOI: 10.1103/PhysRevD.102.083504

Detection of $B$ -Mode Polarization at Degree Angular Scales by BICEP2
journal, June 2014

Ade, P. A. R.; Aikin, R. W.; Barkats, D.
Physical Review Letters, Vol. 112, Issue 24
DOI: 10.1103/PhysRevLett.112.241101

The Python Sky Model: software for simulating the Galactic microwave sky
journal, May 2017

Thorne, B.; Dunkley, J.; Alonso, D.
Monthly Notices of the Royal Astronomical Society, Vol. 469, Issue 3
DOI: 10.1093/mnras/stx949

Constraints on Primordial Gravitational Waves Using $P l a n c k$ , WMAP, and New BICEP2/ $K e c k$ Observations through the 2015 Season
journal, November 2018

Ade, P. A. R.; Ahmed, Z.; Aikin, R. W.
Physical Review Letters, Vol. 121, Issue 22
DOI: 10.1103/PhysRevLett.121.221301

Reionization Revisited: Secondary Cosmic Microwave Background Anisotropies and Polarization
journal, January 2000

Hu, Wayne
The Astrophysical Journal, Vol. 529, Issue 1
DOI: 10.1086/308279

Bicep2/ KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B -MODE POLARIZATION
journal, December 2016

Ade, P. A. R.; Ahmed, Z.; Aikin, R. W.
The Astrophysical Journal, Vol. 833, Issue 2
DOI: 10.3847/1538-4357/833/2/228

Axion cosmology
journal, July 2016

Marsh, David J. E.
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DOI: 10.1016/j.physrep.2016.06.005

Constraints on primordial magnetic fields from Planck data combined with the South Pole Telescope CMB $B$ -mode polarization measurements
journal, March 2017

Zucca, Alex; Li, Yun; Pogosian, Levon
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DOI: 10.1103/physrevd.95.063506

Primordial Gravity Waves and Weak Lensing
journal, July 2003

Dodelson, Scott; Rozo, Eduardo; Stebbins, Albert
Physical Review Letters, Vol. 91, Issue 2
DOI: 10.1103/physrevlett.91.021301

Planck intermediate results : XLVII.
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Adam, R.; Aghanim, N.; Ashdown, M.
Astronomy & Astrophysics, Vol. 596
DOI: 10.1051/0004-6361/201628897

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journal, July 2022

Lembo, Margherita; Fabbian, Giulio; Carron, Julien
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DOI: 10.1103/physrevd.106.023525

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Citation Formats

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Planck 2018 results: VI. Cosmological parameters (Corrigendum) journal, August 2021

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Cosmic shear of the microwave background: The curl diagnostic journal, June 2005

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Improved Constraints on Cosmology and Foregrounds from BICEP2 and Keck Array Cosmic Microwave Background Data with Inclusion of 95 GHz Band journal, January 2016

BICEP2/Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Data Set journal, October 2019

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Dust-Polarization Maps for Local Interstellar Turbulence journal, July 2018

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Results from EDGES High-band. I. Constraints on Phenomenological Models for the Global 21 cm Signal journal, September 2017

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BICEP2. II. Experiment And Three-Year Data Set journal, August 2014

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Measurement of the Cosmic Microwave Background Polarization Lensing Power Spectrum from Two Years of POLARBEAR Data journal, April 2020

Weak lensing of CMB by cosmic (super-)strings journal, May 2012

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Planck 2018 results: VIII. Gravitational lensing journal, September 2020

Blind map level systematics cleaning: a quadratic estimator approach journal, July 2021

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Probing primordial magnetism with off-diagonal correlators of CMB polarization journal, December 2012

Benchmark parameters for CMB polarization experiments journal, February 2003

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Bias-hardened CMB lensing with polarization journal, December 2013

Planck 2015 results : XV. Gravitational lensing journal, September 2016

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Effect of non-Gaussian lensing deflections on CMB lensing measurements journal, December 2018

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Atacama Cosmology Telescope: Constraints on cosmic birefringence journal, April 2020

Searching for anisotropic cosmic birefringence with polarization data from SPTpol journal, October 2020

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Bicep2/ KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B -MODE POLARIZATION journal, December 2016

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Constraints on primordial magnetic fields from Planck data combined with the South Pole Telescope CMB B -mode polarization measurements journal, March 2017

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CMB lensing reconstruction biases from masking extragalactic sources journal, July 2022

Reconstruction of lensing from the cosmic microwave background polarization
journal, October 2003

A 3D model of polarized dust emission in the Milky Way
journal, January 2018

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journal, February 2013

An Improved Measurement of the Secondary Cosmic Microwave Background Anisotropies from the SPT-SZ + SPTpol Surveys
journal, February 2021

Bicep2. III. INSTRUMENTAL SYSTEMATICS
journal, November 2015

Two-season Atacama Cosmology Telescope polarimeter lensing power spectrum
journal, June 2017

Microwave Background Radiation as a Probe of the Contemporary Structure and History of the Universe
journal, September 1980

Cross-correlation of cosmological birefringence with CMB temperature
journal, August 2011

Mass Reconstruction with Cosmic Microwave Background Polarization
journal, August 2002

A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg ² of SPTpol Temperature and Polarization Data
journal, October 2019

Planck 2018 results: VI. Cosmological parameters (Corrigendum)
journal, August 2021

Lensing reconstruction with CMB temperature and polarization
journal, June 2003

Planck 2018 constraints on anisotropic birefringence and its cross-correlation with CMB anisotropy
journal, November 2020

Instrumental systematics biases in CMB lensing reconstruction: A simulation-based assessment
journal, June 2021

A Measurement of the Cosmic Microwave Background Gravitational Lensing Potential from 100 Square Degrees of Sptpol data
journal, August 2015

CMB weak-lensing beyond the Born approximation: a numerical approach
journal, February 2018

Retrieving cosmological information from small-scale CMB foregrounds
journal, June 2022

Small-scale fluctuations of relic radiation
journal, April 1970

Cosmic shear of the microwave background: The curl diagnostic
journal, June 2005

Impact of polarized galactic foreground emission on CMB lensing reconstruction and delensing of B-modes
journal, June 2020

The Impact of Polarized Extragalactic Radio Sources on the Detection of CMB Anisotropies in Polarization
journal, January 2012

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journal, January 2016

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journal, October 2019

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CMB Faraday rotation as seen through the Milky Way
journal, September 2013

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Gravitational lensing effect on cosmic microwave background polarization
journal, June 1998

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CMB temperature lensing power reconstruction
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journal, April 2020

Weak lensing of CMB by cosmic (super-)strings
journal, May 2012

Full-sky lensing reconstruction of gradient and curl modes from CMB maps
journal, January 2012

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journal, September 2020

Blind map level systematics cleaning: a quadratic estimator approach
journal, July 2021

First CMB constraints on direction-dependent cosmological birefringence from WMAP-7
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Statistical properties of polarized radio sources at high frequency and their impact on cosmic microwave background polarization measurements: Properties of polarized radio sources
journal, January 2011

Planck constraints on cross-correlations between anisotropic cosmic birefringence and CMB polarization
journal, September 2022

Probing primordial magnetism with off-diagonal correlators of CMB polarization
journal, December 2012

Benchmark parameters for CMB polarization experiments
journal, February 2003

$B$ -mode CMB polarization from patchy screening during reionization
journal, May 2009

Bias-hardened CMB lensing with polarization
journal, December 2013

Planck 2015 results : XV. Gravitational lensing
journal, September 2016

Likelihood analysis of CMB temperature and polarization power spectra
journal, May 2008

BICEP2 / Keck Array IX: New bounds on anisotropies of CMB polarization rotation and implications for axionlike particles and primordial magnetic fields
journal, November 2017

Impact of post-Born lensing on the CMB
journal, August 2016

Extragalactic foreground contamination in temperature-based CMB lens reconstruction
journal, March 2014

The structure and statistics of interstellar turbulence
journal, June 2017

POLARBEAR constraints on cosmic birefringence and primordial magnetic fields
journal, December 2015

Planck 2018 results: VI. Cosmological parameters
journal, September 2020

CMB lensing from Planck PR4 maps
journal, September 2022

Statistical simulations of the dust foreground to cosmic microwave background polarization
journal, July 2017

Limits on a Lorentz- and parity-violating modification of electrodynamics
journal, February 1990

BICEP2/KECK ARRAY. VII. MATRIX BASED E/B SEPARATION APPLIED TO BICEP2 AND THE KECK ARRAY
journal, June 2016

Joint Analysis of BICEP2/ Keck Array and Planck Data
journal, March 2015

Effect of non-Gaussian lensing deflections on CMB lensing measurements
journal, December 2018

Constraints on patchy reionization from Planck CMB temperature trispectrum
journal, March 2018

Atacama Cosmology Telescope: Constraints on cosmic birefringence
journal, April 2020

Searching for anisotropic cosmic birefringence with polarization data from SPTpol
journal, October 2020

Detection of $B$ -Mode Polarization at Degree Angular Scales by BICEP2
journal, June 2014

The Python Sky Model: software for simulating the Galactic microwave sky
journal, May 2017

Constraints on Primordial Gravitational Waves Using $P l a n c k$ , WMAP, and New BICEP2/ $K e c k$ Observations through the 2015 Season
journal, November 2018

Reionization Revisited: Secondary Cosmic Microwave Background Anisotropies and Polarization
journal, January 2000

Bicep2/ KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B -MODE POLARIZATION
journal, December 2016

Axion cosmology
journal, July 2016

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journal, March 2017

Primordial Gravity Waves and Weak Lensing
journal, July 2003

Planck intermediate results : XLVII.
journal, December 2016

CMB lensing reconstruction biases from masking extragalactic sources
journal, July 2022